UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16
OF THE SECURITIES EXCHANGE ACT OF 1934
06 May, 2026
Commission File Number 001-43199
Guardian Metal Resources PLC
c/o Orana Corporate LLP
25 Eccleston Place
London SW1W 9NF
United Kingdom
(Address
of principal executive offices)
Indicate
by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F.
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Form 20-F ☒
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Form 40-F ☐
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Indicate
by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(1): ___
Indicate
by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(7): ____
Guardian
Metal Resources PLC
On 06
May, 2026, Guardian Metal Resources PLC issued a press release
titled “Pilot Mountain Pre-Feasibility Progress
Update”
A copy
of the press release is attached hereto as Exhibit
99.1.
SIGNATURE
Pursuant
to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on behalf by
the undersigned, thereunto duly authorized.
Guardian Metal Resources PLC
(Registrant)
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Date:
06 May, 2026
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By: /s/
Oliver Friesen
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Name:
Oliver Friesen
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Title:
Chief Executive Officer
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Exhibit Index
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Exhibit
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Description of
Exhibit
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99.1
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Pilot Mountain Pre-Feasibility Progress Update dated 06 May,
2026.
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6
May 2026
Guardian Metal Resources plc
('Guardian Metal' or the 'Company')
Pilot Mountain Positive Pre-Feasibility Progress
Update
Guardian Metal Resources plc (NYSE.A: GMTL,
LON:GMET, OTCQB:GMTLF), a strategic exploration company
focused on tungsten in Nevada, USA, is pleased to provide a
Pre-Feasibility Study ("PFS") progress update on its 100%-owned
Pilot Mountain tungsten project ("Pilot Mountain" or the "Project")
located in Nevada, USA. The Company reports strong progress across
all key PFS workstreams which are progressing as
planned.
The PFS is being supported by a U.S. Department of War $6.2m
Defense Production Act Title III investment1 in
Guardian Metal's wholly-owned subsidiary, Golden Metal Resources
(USA) LLC, and is led by Guardian Metal's in-house team in
collaboration with Samuel Engineering Inc., and a group of
specialist engineering and environmental firms.
Oliver Friesen, CEO of Guardian Metal,
commented:
"We are very pleased to report strong progress at Pilot Mountain.
Key PFS workstreams are advancing very well, and upon completion,
the Company will move swiftly into both the mine permitting phase
and commence workstreams to support the Definitive Feasibility
Study, marking the next significant step in the Project's
development.
"Alongside the strong engineering progress presented herein,
encouraging visual results from the Garnet Zone, Desert Scheelite
Zone (East), and the commencement of drilling at the Good Hope Zone
continue to support the Project's largely unrealised exploration
potential.
"Guardian Metal continues to make the progress required to deliver
the first new hard-rock mined source of tungsten on U.S. soil in
more than a decade."
PFS Highlights:
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Resource Evaluation Update: All drilling required to support the ongoing
resource evaluation work at the Desert Scheelite and Garnet Zones
has been completed. The final PFS results are expected to include
the outcomes of the ongoing resource evaluation workstreams from
both of these target zones.
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Mine Planning: The Project
is currently being evaluated as a conventional open-pit operation,
sourcing feed from both the Desert Scheelite and Garnet Zones. Mine
design and optimisation are advancing in line with the planned PFS
schedule.
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Permitting: The mine Plan
of Operations, which will initiate the National Environmental
Policy Act process upon submission to the Bureau of Land
Management, is being drafted and developed in parallel with the PFS
and is currently targeted for submission in August
2026.
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Metallurgy: Flowsheet
development is well advanced, with preliminary test work results to
date suggestive of a conventional flotation circuit capable of
producing a scheelite concentrate. Workstreams relating to
potential by-product recovery of silver and/or zinc are ongoing and
also progressing well.
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Engineering: Siting
studies are complete and the engineering team is advancing plant
layout design, open-pit mine plans, and site infrastructure
layouts. The process plant is currently expected to comprise a
conventional flotation facility, with onsite temporary power
generation currently expected for initial operations, with grid
connection to follow thereafter.
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Hydrogeology: Phase I
drilling and monitoring well installation is complete. Phase II,
which includes additional monitoring wells, piezometers and a
production well, has commenced and will provide the groundwater
modelling data required for mine permitting.
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Exploration Update
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Garnet Zone: Infill
drilling at the Garnet Zone is complete. Several drillholes
returned encouraging visual intersections of scheelite
mineralisation, consistent with the style of tungsten
mineralisation typically encountered at the Desert Scheelite Zone.
Resource evaluation work is ongoing.
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Good Hope Zone: Initial
holes GH26-01 and GH26-02 at the Good Hope target have been
completed which returned encouraging visual scheelite mineralised
intersections. Analytical results are pending.
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Gunmetal Zone: Several
drill sites are now permitted and drill pad preparation is nearing
completion. Drilling is expected to begin before the end of June
2026, marking Guardian Metal's first ever drilling at this target
zone, an area being evaluated for additional tungsten
resources.
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Desert Scheelite Zone (East): The eastern strike extension of Desert
Scheelite is under investigation through ongoing exploration and
condemnation drilling. In particular, PMR26-077 was collared
approximately 300m east of the expected eastern open-pit limit, and
intersected visual scheelite mineralisation. Additional drillholes
are planned in the short term to further evaluate this target
area. The main Desert Scheelite deposit remains open to the east,
west and down dip, with further exploration drilling targeting
these areas expected throughout Q2 and Q3 2026.
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Comprehensive Exploration Update: The Company intends to publish a
comprehensive exploration update following PFS completion,
incorporating results from all active target areas which is
expected to demonstrate the continued potential for resource growth
across the broader Pilot Mountain land package.
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References
1 Company
announcement, U.S. Department of Defense
Awards $6.2M to Golden Metal Resources for the Pilot Mountain
Project, dated 23 July
2025
( https://polaris.brighterir.com/public/guardian_metal_resources/news/rns/story/wvm0n3w )
COMPETENT PERSON STATEMENT
The
technical information contained in this disclosure has been read
and approved by Mr Nick O'Reilly (MSc, DIC, MIMMM QMR, MAusIMM,
FGS), who is a qualified geologist and acts as the Competent Person
under the AIM Rules - Note for Mining and Oil & Gas Companies.
Mr O'Reilly is a Principal consultant working for Mining Analyst
Consulting Ltd which has been retained by Guardian Metal Resources
plc to provide technical support.
This announcement contains inside information for the purposes of
Article 7 of EU Regulation 596/2014 (which forms part of
domestic UK law pursuant to the European Union
(Withdrawal) Act 2018). The Directors of the Company are
responsible for this announcement.
Forward Looking Statements
This announcement contains forward-looking statements relating to
expected or anticipated future events and anticipated results that
are forward-looking in nature, and, as a result, are subject to
certain risks and uncertainties, including general economic, market
and business conditions, competition for qualified staff, the
regulatory process and actions, technical issues, new legislation,
potential delays or changes in plans, uncertainties resulting from
operating in a new political jurisdiction, uncertainties regarding
the results of exploration, the timing and granting of prospecting
rights, the timing and granting of regulatory and other third party
consents and approvals, Guardian Metal's or any third party's
ability to execute and implement future plans, and the occurrence
of unexpected events.
Forward-looking statements are subject to risks and uncertainties,
including those described in the Company's filings with the U.S.
Securities and Exchange Commission. Guardian Metal undertakes no
obligation to publicly update or revise any forward-looking
statements, whether as a result of new information, future events
or otherwise, except as may be required by law.
This announcement does not purport to be full or complete. No
reliance may or should be placed by any person for any purpose on
the information contained in this announcement or its accuracy,
fairness or completeness. The information in this announcement is
subject to change.
For further information visit www.Guardianmetalresources.com or
contact the following:
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Guardian Metal Resources plc
Oliver
Friesen (CEO)
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Tel: +44
(0) 20 7583 8304
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Cairn Financial Advisers LLP
Nominated Adviser
Sandy
Jamieson/Jo Turner/Louise O'Driscoll
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Tel:
+44 (0) 20 7213 0880
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Berenberg
Joint Broker and Financial Adviser
Jennifer
Lee/Ivan Briechle
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Tel: +44
(0) 20 3207 7800
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Tamesis Partners LLP
Joint Broker
Charlie
Bendon/Richard Greenfield
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Tel:
+44 (0) 20 3882 2868
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Tavistock
Financial PR
Emily Moss/Josephine Clerkin
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Tel:
+44 (0) 7920 3150 /
+44
(0) 7788 554035
guardianmetal@tavistock.co.uk
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About Guardian Metal
Resources
Guardian Metal Resources PLC (NYSE.A: GMTL, LON:GMET, OTCQB:GMTLF)
is a strategic mineral exploration company driving the revival of
U.S. mined tungsten production and strengthening America's defense
metal independence. The Company is advancing two co-flagship
tungsten projects, Pilot Mountain, one of the largest undeveloped
tungsten deposits in the U.S. and Tempiute, formerly America's
largest producing tungsten operation, both located in
Nevada, one of the top-rated mining jurisdictions in the
United States.
In July 2025, the U.S. Department of War (DoW) under Title III of
the Defense Production Act of 1950, as amended, invested
U.S. $6.2M in Golden Metal Resources (USA) LLC,
a wholly-owned subsidiary of Guardian Metal Resources
PLC, to support the Pilot Mountain PFS. The Company completed a
U.S. listing on the NYSE American on March 20,
2026.
Tungsten is a strategic metal critical to the defense, energy
transition, technology, and industrial sectors. In the context of
shifting geopolitical dynamics and tightening Chinese export
restrictions, Guardian Metal is well positioned to play a leading
role in re-establishing a secure, domestically mined U.S. supply
chain for this vital defense metal.